During pregnancy you might find yourself tossing back and forth at night to find a comfortable spot. You may have to change your usual sleeping positions for your second and third trimester. Sleeping directly on your back after 20 weeks should be avoided. This is because a large vein, called the vena cava, delivers blood from your lower back to your heart. If you lie flat on your back and the baby is on the right side, it could compress the vein and could block delivery of blood back to your heart. Continue Reading »

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